The lives of many people were thrown into chaos during Japan's Edo period. During all that mayhem, a religious cult was plotting a terrible conspiracy, and the story has remained secret until now. A lady ninja nun, concerned about the scheming, orders Kaede to infiltrate the cult. While successful, the skilled ninja agent is put under a spell by one of the priests, causing her to become feverish with lust over one of the cult's relics. Her ultimate mission is to topple the secret organization, but will she be able to while handicapped by a desire that must be satisfied?